January 24, 2005
Stephen L. Johnson
Deputy Administrator, Environmental Protection Agency
Ariel Rios Building
1200 Pennsylvania Ave. NW
Washington, DC 20460
Dear Deputy Administrator Johnson:
On November 10, 2004, the EPA announced the suspension of the Children's Environmental Exposure Research Study, known as CHEERS, and the creation of a panel of experts to review the ethics, scientific integrity and methodology of the proposed study.